Since 3.805 can be rounded to 3.81, and since all other statements are false, the answer is D
The answer will be the set of points that contains a different x value for each point.
We clearly see that for ever point in terms of CHOICE C the value of x is different.
Answer: Choice C
Roots stems finite solution
-105
Multiply first, then subtract, then add.
Answer:
y = (x - 4)² - 25
Step-by-step explanation:
The equation of a parabola in vertex form is
y = a(x - h)² + k
where (h, k) are the coordinates of the vertex and a is a multiplier
To obtain this form use the method of completing the square.
Given
y = (x + 1)(x - 9) ← expand factors using FOIL, thus
y = x² - 8x - 9
To complete the square
add/subtract ( half the coefficient of the x- term )² to x² - 8x
y = x² + 2(- 4)x + 16 - 16 - 9
= (x - 4)² - 25 ← in vertex form
